package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import com.sun.org.apache.bcel.internal.generic.LMUL;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.jws.soap.SOAPBinding;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送手机验证码
     * @param user
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone = user.getPhone();

        if (StringUtils.isNotEmpty(phone)) {
            //生成随机4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code = " + code);
            //调用阿里云短信服务API
            //SMSUtils.sendMessage("家里蹲公司","SMS_471000040",phone,code);
            //将生成的验证码保存在redis中
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return R.success("手机验证码发送成功");

        }
        return R.error("短信发送失败");
    }

    /**
     * 移动端用户登录功能
     * @param map
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){

        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从redis中获取保存的验证码
        Object codeInSession = redisTemplate.opsForValue().get(phone);
        //进行验证码比对
        if (codeInSession != null && codeInSession.equals(code)) {
            //如果能够比对成功说明登陆成功
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);
            User user = userService.getOne(queryWrapper);
            //判断当前手机号是否为新用户，如果是新用户自动注册
            if (user == null) {
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());

            redisTemplate.delete(phone);

            return R.success(user);
        }
        return R.error("登录失败");
    }


    @PostMapping("loginout")
    public R<String> loginout(HttpServletRequest request){
        request.getSession().removeAttribute("user");
        return R.success("退出成功");
    }

}
